Kira Trevino and her husband, Jeffery, in an undated personal photo; Jeffery was charged on Feb. 28, 2013 with Kira's murder.

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(CBS) MINNEAPOLIS - Search crews are continuing to look for the body of Kira Trevino, a missing Minnesota woman, at Keller Lake in Maplewood, Minn. after clues were discovered in the area last week, CBS Minnesota reports.

On Friday, an amended complaint was filed, showing that witnesses told police they saw two men on Feb. 22 struggling to carry something onto the frozen lake which appeared to be the size of a person, the station reports. The lake is less than two miles from the Trevino home in St. Paul.

The 30-year-old Trevino was last seen the night of Feb. 21 as she left work at the Mall of America, but authorities found so much blood in her car and home in St. Paul that they believe she is dead. Her 39-year-old husband, Jeffery Trevino, was charged on Feb. 28 with two counts of second-degree murder in her death.

Trevino family and friends searched the lake after hearing the information released in the complaint. Their search produced a bag containing a bloody pillow and pillowcase, a bra, shirt and a sponge.

The DNA on those items matched that of Kira Trevino, the station reports.

It was previously reported that cadaver dogs were brought to the lake and the dogs reacted when a hole was cut in the ice. The reaction indicates a body could be in the lake, according to the complaint, however a body has not been recovered.